UNKNOWN NVD
CVE-2026-92519
In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix memory leak in bpf_jit_free When bpf_int_jit_compile() is called for subpr
In the Linux kernel, the following vulnerability has been resolved:
riscv, bpf: Fix memory leak in bpf_jit_free
When bpf_int_jit_compile() is called for subprograms, it returns early
during the first pass (!prog->is_func || extra_pass is false), keeping
ctx->offset alive for the subsequent extra pass.
If JIT compilation fails for a later subprogram, the BPF core aborts
and calls bpf_jit_free() to clean up the first subprogram. However,
bpf_jit_free() fails to free jit_data->ctx.offset, which causes a
memory leak of the JIT context offsets array.
Fix this by adding the missing kfree(jit_data->ctx.offset) in
bpf_jit_free().
References
- https://git.kernel.org/stable/c/2a3a29e90021806ea00527f6458cfd2edb58b42a
- https://git.kernel.org/stable/c/369e4635d04801f394d5bd42556f21029e95ff93
- https://git.kernel.org/stable/c/5cadc66b534fe8140441916200a20c7efb06a388
- https://git.kernel.org/stable/c/b594c23f584ab032a5eae809eee81b809dd27330
This unknown severity vulnerability was published on 2026-09-17 via NVD.
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